. >>> google has launched a new campaign against a proposed tax on search engines. the measure in germany would require search engines there to pay every time they link to copy writed context. google is asking users in germany to sign an online petition against that proposed tax. >>> pg & e is teaming up with researchers at uc davis to test new technology to spot leaks in gas transmission lines. researchers are using sensors mounted on small airplanes to test leaks. scientists say the goal is to find a less expensive more reliable way to pinpoint problems. >>> a multimillion dollars art project is taking shape on the bay bridge tonight. only on 2, ktvu's consumer editor tom vacar live on treasure island with the up close look that he got at the high tech art show destined for the new western span, tom. >> reporter: indeed, you know the vertical cables on this side of the bridge are exactly this wide and tonight crews are up there about the business of trying to put lights on every one of them. >> reporter: here's your exclusive look at legend theatrical. a company t